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Theorem rngorcan 25692
 Description: Right cancellation law for the addition operation of a ring. (Contributed by Steve Rodriguez, 9-Sep-2007.) (New usage is discouraged.)
Hypotheses
Ref Expression
ringgcl.1
ringgcl.2
Assertion
Ref Expression
rngorcan

Proof of Theorem rngorcan
StepHypRef Expression
1 ringgcl.1 . . 3
21rngogrpo 25686 . 2
3 ringgcl.2 . . 3
43grporcan 25517 . 2
52, 4sylan 469 1
 Colors of variables: wff setvar class Syntax hints:   wi 4   wb 184   wa 367   w3a 974   wceq 1405   wcel 1842   crn 4943  cfv 5525  (class class class)co 6234  c1st 6736  cgr 25482  crngo 25671 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1639  ax-4 1652  ax-5 1725  ax-6 1771  ax-7 1814  ax-8 1844  ax-9 1846  ax-10 1861  ax-11 1866  ax-12 1878  ax-13 2026  ax-ext 2380  ax-sep 4516  ax-nul 4524  ax-pow 4571  ax-pr 4629  ax-un 6530 This theorem depends on definitions:  df-bi 185  df-or 368  df-an 369  df-3an 976  df-tru 1408  df-ex 1634  df-nf 1638  df-sb 1764  df-eu 2242  df-mo 2243  df-clab 2388  df-cleq 2394  df-clel 2397  df-nfc 2552  df-ne 2600  df-ral 2758  df-rex 2759  df-reu 2760  df-rab 2762  df-v 3060  df-sbc 3277  df-csb 3373  df-dif 3416  df-un 3418  df-in 3420  df-ss 3427  df-nul 3738  df-if 3885  df-sn 3972  df-pr 3974  df-op 3978  df-uni 4191  df-iun 4272  df-br 4395  df-opab 4453  df-mpt 4454  df-id 4737  df-xp 4948  df-rel 4949  df-cnv 4950  df-co 4951  df-dm 4952  df-rn 4953  df-iota 5489  df-fun 5527  df-fn 5528  df-f 5529  df-fo 5531  df-fv 5533  df-riota 6196  df-ov 6237  df-1st 6738  df-2nd 6739  df-grpo 25487  df-gid 25488  df-ablo 25578  df-rngo 25672 This theorem is referenced by: (None)
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